<template>
  <div class="app-container">
    <!--工具栏-->
    <div class="head-container">
      <div v-if="crud.props.searchToggle">
        <!-- 搜索 -->
        <el-input
          v-model="query.blurry"
          size="small"
          clearable
          placeholder="输入名称或者描述搜索"
          style="width: 200px;"
          class="filter-item"
          @keyup.enter.native="crud.toQuery"
        />
        <el-date-picker
          v-model="query.createTime"
          :default-time="['00:00:00', '23:59:59']"
          type="daterange"
          range-separator=":"
          size="small"
          class="date-item"
          value-format="yyyy-MM-dd HH:mm:ss"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
        />
        <rrOperation />
      </div>
      <crudOperation :permission="permission" />
    </div>
    <!-- 表单渲染 -->
    <el-dialog
      append-to-body
      :close-on-click-modal="false"
      :before-close="crud.cancelCU"
      :visible.sync="crud.status.cu > 0"
      :title="crud.status.title"
      width="520px"
    >
      <el-form
        ref="form"
        :inline="true"
        :model="form"
        :rules="rules"
        size="small"
        label-width="80px"
      >
        <el-form-item label="角色名称" prop="name">
          <el-input v-model="form.name" style="width: 380px;" />
        </el-form-item>
        <el-form-item label="角色级别" prop="level">
          <el-input-number
            v-model.number="form.level"
            :min="1"
            controls-position="right"
            style="width: 145px;"
          />
        </el-form-item>
        <el-form-item label="数据范围" prop="dataScope">
          <el-select
            v-model="form.dataScope"
            style="width: 140px;"
            placeholder="请选择数据范围"
            @change="changeScope"
          >
            <el-option v-for="item in dateScopes" :key="item" :label="item" :value="item" />
          </el-select>
        </el-form-item>
        <el-form-item v-if="form.dataScope === '自定义'" label="数据权限" prop="depts">
          <treeselect
            v-model="form.depts"
            :load-options="loadDepts"
            :options="depts"
            multiple
            style="width: 380px;"
            placeholder="请选择"
          />
        </el-form-item>
        <el-form-item label="描述信息" prop="description">
          <el-input v-model="form.description" style="width: 380px;" rows="5" type="textarea" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="text" @click="crud.cancelCU">取消</el-button>
        <el-button :loading="crud.status.cu === 2" type="primary" @click="crud.submitCU">
          确认
        </el-button>
      </div>
    </el-dialog>
    <el-row :gutter="15">
      <!--角色管理-->
      <el-col :xs="24" :sm="24" :md="16" :lg="16" :xl="17" style="margin-bottom: 10px;">
        <el-card class="box-card" shadow="never">
          <div slot="header" class="clearfix">
            <span class="role-span">角色列表</span>
          </div>
          <el-table
            ref="table"
            v-loading="crud.loading"
            highlight-current-row
            style="width: 100%;"
            :data="crud.data"
            @selection-change="crud.selectionChangeHandler"
            @current-change="handleCurrentChange"
          >
            <el-table-column :selectable="checkboxT" type="selection" width="55" />
            <el-table-column prop="name" label="名称" />
            <el-table-column prop="dataScope" label="数据权限" />
            <el-table-column prop="level" label="角色级别" />
            <el-table-column :show-overflow-tooltip="true" prop="description" label="描述" />
            <el-table-column
              :show-overflow-tooltip="true"
              width="150px"
              prop="createTime"
              label="创建日期"
            >
              <template slot-scope="scope">
                <span>{{ parseTime(scope.row.createTime) }}</span>
              </template>
            </el-table-column>
            <el-table-column
              v-permission="['admin', 'roles:edit', 'roles:del']"
              label="操作"
              width="130px"
              align="center"
              fixed="right"
            >
              <template slot-scope="scope">
                <udOperation
                  v-if="scope.row.level >= level"
                  :data="scope.row"
                  :permission="permission"
                />
              </template>
            </el-table-column>
          </el-table>
          <!--分页组件-->
          <pagination />
        </el-card>
      </el-col>
      <!-- 菜单授权 -->
      <el-col :xs="24" :sm="24" :md="8" :lg="8" :xl="7">
        <el-card class="box-card" shadow="never">
          <div slot="header" class="clearfix">
            <el-tooltip class="item" effect="dark" content="选择指定角色分配菜单" placement="top">
              <span class="role-span">菜单分配</span>
            </el-tooltip>
            <el-button
              v-permission="['admin', 'roles:edit']"
              :disabled="!showButton"
              :loading="menuLoading"
              icon="el-icon-check"
              size="mini"
              style="float: right; padding: 6px 9px;"
              type="primary"
              @click="saveMenu"
            >
              保存
            </el-button>
          </div>
          <el-tree
            ref="menu"
            lazy
            :data="menus"
            :default-checked-keys="menuIds"
            :load="getMenuDatas"
            :props="defaultProps"
            check-strictly
            accordion
            show-checkbox
            node-key="id"
          />
        </el-card>
      </el-col>
    </el-row>
  </div>
</template>

<script>
  import crudRoles from '@/api/system/role';
  import { getDepts, getDeptSuperior } from '@/api/system/dept';
  import { getMenusTree, getMenuSuperior } from '@/api/system/menu';
  import CRUD, { presenter, header, form, crud } from '@crud/crud';
  import rrOperation from '@crud/RR.operation';
  import crudOperation from '@crud/CRUD.operation';
  import udOperation from '@crud/UD.operation';
  import pagination from '@crud/Pagination';
  import Treeselect from '@riophae/vue-treeselect';
  import '@riophae/vue-treeselect/dist/vue-treeselect.css';
  import { LOAD_CHILDREN_OPTIONS } from '@riophae/vue-treeselect';

  const defaultForm = {
    id: null,
    name: null,
    depts: [],
    description: null,
    dataScope: '全部',
    level: 3,
  };
  export default {
    name: 'Role',
    components: { Treeselect, pagination, crudOperation, rrOperation, udOperation },
    cruds() {
      return CRUD({
        title: '角色',
        url: 'api/roles',
        sort: 'level,asc',
        crudMethod: { ...crudRoles },
      });
    },
    mixins: [presenter(), header(), form(defaultForm), crud()],
    data() {
      return {
        defaultProps: { children: 'children', label: 'label', isLeaf: 'leaf' },
        dateScopes: ['全部', '本级', '自定义'],
        level: 3,
        currentId: 0,
        menuLoading: false,
        showButton: false,
        menus: [],
        menuIds: [],
        depts: [],
        permission: {
          add: ['admin', 'roles:add'],
          edit: ['admin', 'roles:edit'],
          del: ['admin', 'roles:del'],
        },
        rules: {
          name: [{ required: true, message: '请输入名称', trigger: 'blur' }],
          permission: [{ required: true, message: '请输入权限', trigger: 'blur' }],
        },
      };
    },
    created() {
      crudRoles.getLevel().then((data) => {
        this.level = data.level;
      });
    },
    methods: {
      getMenuDatas(node, resolve) {
        setTimeout(() => {
          getMenusTree(node.data.id ? node.data.id : 0).then((res) => {
            resolve(res);
          });
        }, 100);
      },
      [CRUD.HOOK.afterRefresh]() {
        this.$refs.menu.setCheckedKeys([]);
      },
      // 编辑前
      [CRUD.HOOK.beforeToEdit](crud, form) {
        if (form.dataScope === '自定义') {
          if (form.id == null) {
            this.getDepts();
          } else {
            this.getSupDepts(form.depts);
          }
        }
        const depts = [];
        form.depts.forEach(function (dept, index) {
          depts.push(dept.id);
        });
        form.depts = depts;
      },
      // 提交前做的操作
      [CRUD.HOOK.afterValidateCU](crud) {
        if (crud.form.dataScope === '自定义' && crud.form.depts.length === 0) {
          this.$message({
            message: '自定义数据权限不能为空',
            type: 'warning',
          });
          return false;
        } else if (crud.form.dataScope === '自定义') {
          const depts = [];
          crud.form.depts.forEach(function (data, index) {
            const dept = { id: data };
            depts.push(dept);
          });
          crud.form.depts = depts;
        } else {
          crud.form.depts = [];
        }
        return true;
      },
      [CRUD.HOOK.afterAddError](crud) {
        this.afterErrorMethod(crud);
      },
      [CRUD.HOOK.afterEditError](crud) {
        this.afterErrorMethod(crud);
      },
      afterErrorMethod(crud) {
        const depts = [];
        crud.form.depts.forEach(function (dept, index) {
          depts.push(dept.id);
        });
        crud.form.depts = depts;
      },
      // 触发单选
      handleCurrentChange(val) {
        if (val) {
          const _this = this;
          // 清空菜单的选中
          this.$refs.menu.setCheckedKeys([]);
          // 保存当前的角色id
          this.currentId = val.id;
          this.showButton = this.level <= val.level;
          // 初始化
          this.menuIds = [];
          // 菜单数据需要特殊处理
          val.menus.forEach(function (data, index) {
            _this.menuIds.push(data.id);
          });
          getMenuSuperior(this.menuIds).then((res) => {
            this.menus = res;
          });
        }
      },
      // 保存菜单
      saveMenu() {
        this.menuLoading = true;
        const role = { id: this.currentId, menus: [] };
        // 得到半选的父节点数据，保存起来
        this.$refs.menu.getHalfCheckedNodes().forEach(function (data, index) {
          const menu = { id: data.id };
          role.menus.push(menu);
        });
        // 得到已选中的 key 值
        this.$refs.menu.getCheckedKeys().forEach(function (data, index) {
          const menu = { id: data };
          role.menus.push(menu);
        });
        crudRoles
          .editMenu(role)
          .then((res) => {
            this.crud.notify('保存成功', CRUD.NOTIFICATION_TYPE.SUCCESS);
            this.menuLoading = false;
            this.update();
          })
          .catch((err) => {
            this.menuLoading = false;
            console.log(err.response.data.message);
          });
      },
      // 改变数据
      update() {
        // 无刷新更新 表格数据
        crudRoles.get(this.currentId).then((res) => {
          for (let i = 0; i < this.crud.data.length; i++) {
            if (res.id === this.crud.data[i].id) {
              this.crud.data[i] = res;
              break;
            }
          }
        });
      },
      // 获取部门数据
      getDepts() {
        getDepts({ enabled: true }).then((res) => {
          this.depts = res.content.map(function (obj) {
            if (obj.hasChildren) {
              obj.children = null;
            }
            return obj;
          });
        });
      },
      getSupDepts(depts) {
        const ids = [];
        depts.forEach((dept) => {
          ids.push(dept.id);
        });
        getDeptSuperior(ids).then((res) => {
          this.depts = res.content.map(function (obj) {
            if (obj.hasChildren && !obj.children) {
              obj.children = null;
            }
            return obj;
          });
        });
      },
      // 获取弹窗内部门数据
      loadDepts({ action, parentNode, callback }) {
        if (action === LOAD_CHILDREN_OPTIONS) {
          getDepts({ enabled: true, pid: parentNode.id }).then((res) => {
            parentNode.children = res.content.map(function (obj) {
              if (obj.hasChildren) {
                obj.children = null;
              }
              return obj;
            });
            setTimeout(() => {
              callback();
            }, 200);
          });
        }
      },
      // 如果数据权限为自定义则获取部门数据
      changeScope() {
        if (this.form.dataScope === '自定义') {
          this.getDepts();
        }
      },
      checkboxT(row, rowIndex) {
        return row.level >= this.level;
      },
    },
  };
</script>

<style rel="stylesheet/scss" lang="scss">
  .role-span {
    font-weight: bold;
    color: #303133;
    font-size: 15px;
  }
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
  /deep/ .el-input-number .el-input__inner {
    text-align: left;
  }
  /deep/ .vue-treeselect__multi-value {
    margin-bottom: 0;
  }
  /deep/ .vue-treeselect__multi-value-item {
    border: 0;
    padding: 0;
  }
</style>
